Recently migrated NW60SP5 server to new hardware. Mac OS-X client cannot
log in after the migration.

This is what I see in AFPTCP.LOG:

Fri Feb 8 15:58:51 2008
: Thread ID = 258, InitAuthentication: RegOpenKeyEx 'Appliance' failed
1073741838 <4000000e>

The knowledgebase is dead silent. Any ideas?